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RefusedP/2112/23Submitted 3 years agoLoft conversion

104 Cannonbury Avenue Harrow HA5 1TT

CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form rear gable; alterations and extension to raise roof height to create first floor level; rear dormer with Juliette balcony; three rooflights in side roofslope

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Progress

Submitted
11 Jul 2023
— completed
Validated
11 Jul 2023
— completed
Consultation
11 Jul 2023
— completed
Target date
5 Sept 2023
— completed
Decided
5 Sept 2023
— completed

Application details

Reference
P/2112/23
Local authority
Harrow
Postcode
HA5 1TT
Ward
Pinner South
Application type
All Other
Property type
House

Key dates

Submitted
11 Jul 2023
Validated
11 Jul 2023
Comments close
11 Jul 2023
Target decision
5 Sept 2023
Decided
5 Sept 2023

Estimated project value

£35k–£94k

Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 5 recent sales are listed below.

Homes here go for about £657,500 — the median of the last 8 market sales in HA5 1TT, £450,000 to £990,000.

Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

Nearby applications